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Parts and Controls

To initialize (format) the player

You can format the built-in flash memory of the player. If the memory is 

formatted, all files including the User Guide (HTML document) will be erased 

and all setting values returned to their defaults. Be sure to verify the files stored 

in memory prior to formatting, and then export any necessary files to the hard 

disk of your computer or other device beforehand.

1

  Press and hold the BACK/HOME button until the Home 

menu appears.

2

  Select 

 [Settings] – [Common Settings] – [Format] – 

[Yes] – [Yes] in this order.

Press the 

/

/

/

 button to select the item, and then press the 

 

button to confirm.

When initialization finishes, [Memory formatted.] appears.

Note

 Do not format the built-in flash memory using Windows Explorer. If you 

format the built-in flash memory, format it on the player.

Troubleshooting

If the player does not function as expected, try the following steps to resolve the 

issue.

1

  Find the symptoms of the issue in “Troubleshooting” in the 

User Guide (HTML document), and try any corrective 

actions listed.

For details on connecting to a computer, see the tables on the right.

2

  Connect the player to your computer to charge the battery.

You may be able to resolve some issues by charging the battery.

3

  Press the RESET button with a 

small pin, etc.

If you press the RESET button while operating 

the player, stored data and player settings may 

be lost.

4

  Check information on the issue in 

the Help of each software.

5

  Look up information on the issue 

on one of the customer support Web sites.

About the customer support Web sites, see “For the latest information”.

6

  If the approaches listed above fail to resolve the issue, 

consult your nearest Sony dealer.

Symptom

Cause/Remedy

The player cannot charge 

the battery.

  The USB cable is not connected to a USB connector 

on your computer properly.

 Disconnect the USB cable, and then reconnect it.

 Use the supplied USB cable.

  The battery is charged in an ambient temperature out 

of the range of 5 °C (41 ºF) to 35 °C (95 ºF).

 You cannot charge the battery when 

 icon 

appears. Charge the battery in an ambient 

temperature of 5 °C (41 ºF) to 35 °C (95 ºF).

  The computer is not on.

 Turn on the computer.

  Your computer has entered Sleep or Hibernation 

status.

 Release the computer from Sleep or Hibernation 

status.

  A USB hub is being used.

 Connecting the player via a USB hub may not 

work. Connect the player to your computer using 

the USB cable (supplied).

  The operating system installed on the computer is not 

supported by the player.

 To charge the player, connect the player to a 

computer with the operating system that is 

supported by the player.

  You have not used the player for more than a year.

 Depending on the conditions under which your 

player is used, the battery may have been 

deteriorated. Consult your nearest Sony dealer.

[Connected USB. The 

Timer and Alarm will 

become invalid.] or 

[Connected USB (MTP) 

The Timer and Alarm 

will become invalid.] 

does not appear when 

connected to the 

computer with the USB 

cable (supplied) (The 

computer does not 

recognize the player).

(Continued)

  The remaining battery power is insufficient.

 Charge the battery by connecting the player to a 

running computer for at least 5 minutes.

  The USB cable is not connected to a USB connector 

on your computer properly.

 Disconnect the USB cable, and then reconnect it.

 Use the supplied USB cable.

  A USB hub is being used.

 Connecting the player via a USB hub may not 

work. Connect the player directly to your computer 

using the USB cable (supplied).

Symptom

Cause/Remedy

[Connected USB. The 

Timer and Alarm will 

become invalid.] or 

[Connected USB (MTP) 

The Timer and Alarm 

will become invalid.] 

does not appear when 

connected to the 

computer with the USB 

cable (supplied) (The 

computer does not 

recognize the player).

  The USB connector on your computer may have a 

problem. 

 Connect the player to another USB connector on 

your computer. 

  When you use the player for the first time, or when 

the battery is low, it may take the player about 30 

seconds to display the message after connected to a 

computer. This is not a malfunction.

  The software authentication may be performed and it 

may take rather a long time. Wait for a while.

  The software installation has been failed.

 Reinstall the software by using the installer. The 

imported data will remain untouched.

  The computer is running another software other than 

the one used for transferring.

 Disconnect the USB cable, wait a few minutes, and 

reconnect it. If the problem persists, disconnect the 

USB cable, restart the computer, and then 

reconnect the USB cable.

  [Connected USB. The Timer and Alarm will become 

invalid.] or [Connected USB (MTP) The Timer and 

Alarm will become invalid.] may not appear on the 

player, depending on the software environment that is 

running on your computer.

 Activate Windows Media Player, or Windows 

Explorer.

The player becomes 

unstable while it is 

connected to the 

computer.

  A USB hub or USB extension cable is being used.

 Connecting the player via a USB hub or extension 

cable may not work. Connect the player directly to 

your computer using the USB cable (supplied).

When double-clicking 

[Setup.exe] to install the 

bundled software, 

[Setup.exe] does not 

execute, and the 

Properties window 

opens.

  Install the bundled software after installing Windows 

Media Player 11 or 12. For details on Windows Media 

Player, refer to the following web site:

 

http://support.microsoft.com/

 BACK/HOME button

 5-way button

*

1

 (play/pause/confirm) button

/

 buttons

/

 buttons

 Headphone jack

 USB connector

Connect the USB cable (supplied).

 Display

 VOL +

*

1

/– button

 OPTION/PWR OFF button

Press to display the option menu.

If you press and hold the OPTION/PWR OFF button, the screen turns off and the 

player enters standby mode.

 HOLD switch

 Strap hole

 RESET button

Use a small pin, etc. 

*

1

  There are tactile dots. Use them to help with button operations.

Precautions

About the headphones

 Avoid playing the unit at so loud a volume that extended play might affect your hearing.

 

At a high volume outside sounds may become inaudible. Avoid listening to the 

unit in situations where hearing must not be impaired, for example, while 

driving or cycling.

 As the supplied headphones are of open-air design, sounds go out through the 

headphones. Remember not to disturb those close to you.

Owner’s Record

The model and serial numbers are located on the back of the player. Record them in the 

space provided below. Refer to these numbers in the spaces whenever you call upon your 

Sony dealer regarding this product.

Model No. __________________________

Serial No. __________________________

For users in France

“FOR UNITED STATES CUSTOMERS. NOT APPLICABLE IN CANADA, INCLUDING

IN THE PROVINCE OF QUEBEC.

POUR LES CONSOMMATEURS AUX ÉTATSUNIS. NON APPLICABLE AU CANADA,

Y COMPRIS LA PROVINCE DE QUÉBEC.”

For users in France

When replacing the headphones/earphones, please refer to the model of the headphones/

earphones adapted to your unit that appears below.

MDR-E804

At high volume, prolonged listening to the personal audio player can 

damage the user’s hearing.

License and Trademark Notice

Refer to the User Guide (HTML document).

For the latest information

If you have any questions or issues with this product, or would like information on 

compatible items with this product, visit the following web sites.

For customers in the USA:  

http://www.sony.com/walkmansupport

For customers in Canada:  

http://www.sony.ca/ElectronicsSupport/

For customers in Europe:  

http://support.sony-europe.com/DNA

For customers in Latin America:  

http://www.sony-latin.com/index.crp

For customers in other countries/regions:  

http://www.sony-asia.com/support

For customers who purchased the overseas models:

http://www.sony.co.jp/overseas/support/

RESET button

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